Home / 7,430.64-11,155.68-6,283.68

Finding the Fourth Proportional to 7,430.64, 11,155.68 and 6,283.68

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Solution

The fourth proportional to 7,430.64, 11,155.68 and 6,283.68 is: 9,433.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.64 : 11,155.68 = 6,283.68 : x
  2. Step 2: Convert to fraction form
    7,430.64/11,155.68 = 6,283.68/x
  3. Step 3: Cross multiply
    7,430.64x = 11,155.68 × 6,283.68
  4. Step 4: Simplify right side
    7,430.64x = 70,098,723.30
  5. Step 5: Solve for x
    x = 70,098,723.30/7,430.64
  6. Step 6: Final answer
    x = 9,433.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.