Home / 8,440.05-11,645.28-4,901.16

Finding the Fourth Proportional to 8,440.05, 11,645.28 and 4,901.16

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Solution

The fourth proportional to 8,440.05, 11,645.28 and 4,901.16 is: 6,762.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.05 : 11,645.28 = 4,901.16 : x
  2. Step 2: Convert to fraction form
    8,440.05/11,645.28 = 4,901.16/x
  3. Step 3: Cross multiply
    8,440.05x = 11,645.28 × 4,901.16
  4. Step 4: Simplify right side
    8,440.05x = 57,075,380.52
  5. Step 5: Solve for x
    x = 57,075,380.52/8,440.05
  6. Step 6: Final answer
    x = 6,762.45

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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.