Home / 8,259.04-11,390.12-6,442.52

Finding the Fourth Proportional to 8,259.04, 11,390.12 and 6,442.52

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Solution

The fourth proportional to 8,259.04, 11,390.12 and 6,442.52 is: 8,884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.04 : 11,390.12 = 6,442.52 : x
  2. Step 2: Convert to fraction form
    8,259.04/11,390.12 = 6,442.52/x
  3. Step 3: Cross multiply
    8,259.04x = 11,390.12 × 6,442.52
  4. Step 4: Simplify right side
    8,259.04x = 73,381,075.90
  5. Step 5: Solve for x
    x = 73,381,075.90/8,259.04
  6. Step 6: Final answer
    x = 8,884.94

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.