Home / 6,875.53-9,490.48-4,042.76

Finding the Fourth Proportional to 6,875.53, 9,490.48 and 4,042.76

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Solution

The fourth proportional to 6,875.53, 9,490.48 and 4,042.76 is: 5,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.53 : 9,490.48 = 4,042.76 : x
  2. Step 2: Convert to fraction form
    6,875.53/9,490.48 = 4,042.76/x
  3. Step 3: Cross multiply
    6,875.53x = 9,490.48 × 4,042.76
  4. Step 4: Simplify right side
    6,875.53x = 38,367,732.92
  5. Step 5: Solve for x
    x = 38,367,732.92/6,875.53
  6. Step 6: Final answer
    x = 5,580.33

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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.