Home / 7,502.90-11,257.08-4,385.62

Finding the Fourth Proportional to 7,502.90, 11,257.08 and 4,385.62

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Solution

The fourth proportional to 7,502.90, 11,257.08 and 4,385.62 is: 6,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.90 : 11,257.08 = 4,385.62 : x
  2. Step 2: Convert to fraction form
    7,502.90/11,257.08 = 4,385.62/x
  3. Step 3: Cross multiply
    7,502.90x = 11,257.08 × 4,385.62
  4. Step 4: Simplify right side
    7,502.90x = 49,369,275.19
  5. Step 5: Solve for x
    x = 49,369,275.19/7,502.90
  6. Step 6: Final answer
    x = 6,580.03

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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.