Home / 9,641.16-13,294.32-6,277.80

Finding the Fourth Proportional to 9,641.16, 13,294.32 and 6,277.80

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Solution

The fourth proportional to 9,641.16, 13,294.32 and 6,277.80 is: 8,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,641.16 : 13,294.32 = 6,277.80 : x
  2. Step 2: Convert to fraction form
    9,641.16/13,294.32 = 6,277.80/x
  3. Step 3: Cross multiply
    9,641.16x = 13,294.32 × 6,277.80
  4. Step 4: Simplify right side
    9,641.16x = 83,459,082.10
  5. Step 5: Solve for x
    x = 83,459,082.10/9,641.16
  6. Step 6: Final answer
    x = 8,656.54

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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.