Home / 9,279.52-12,798.96-6,762.40

Finding the Fourth Proportional to 9,279.52, 12,798.96 and 6,762.40

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Solution

The fourth proportional to 9,279.52, 12,798.96 and 6,762.40 is: 9,327.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.52 : 12,798.96 = 6,762.40 : x
  2. Step 2: Convert to fraction form
    9,279.52/12,798.96 = 6,762.40/x
  3. Step 3: Cross multiply
    9,279.52x = 12,798.96 × 6,762.40
  4. Step 4: Simplify right side
    9,279.52x = 86,551,687.10
  5. Step 5: Solve for x
    x = 86,551,687.10/9,279.52
  6. Step 6: Final answer
    x = 9,327.17

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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.