Home / 9,502.50-13,113.21-5,310.78

Finding the Fourth Proportional to 9,502.50, 13,113.21 and 5,310.78

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Solution

The fourth proportional to 9,502.50, 13,113.21 and 5,310.78 is: 7,328.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,502.50 : 13,113.21 = 5,310.78 : x
  2. Step 2: Convert to fraction form
    9,502.50/13,113.21 = 5,310.78/x
  3. Step 3: Cross multiply
    9,502.50x = 13,113.21 × 5,310.78
  4. Step 4: Simplify right side
    9,502.50x = 69,641,373.40
  5. Step 5: Solve for x
    x = 69,641,373.40/9,502.50
  6. Step 6: Final answer
    x = 7,328.74

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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.