Home / 7,580.43-11,368.85-2,898.72

Finding the Fourth Proportional to 7,580.43, 11,368.85 and 2,898.72

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Solution

The fourth proportional to 7,580.43, 11,368.85 and 2,898.72 is: 4,347.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.43 : 11,368.85 = 2,898.72 : x
  2. Step 2: Convert to fraction form
    7,580.43/11,368.85 = 2,898.72/x
  3. Step 3: Cross multiply
    7,580.43x = 11,368.85 × 2,898.72
  4. Step 4: Simplify right side
    7,580.43x = 32,955,098.38
  5. Step 5: Solve for x
    x = 32,955,098.38/7,580.43
  6. Step 6: Final answer
    x = 4,347.39

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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.