Home / 4,761.34-7,141.65-1,298.86

Finding the Fourth Proportional to 4,761.34, 7,141.65 and 1,298.86

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Solution

The fourth proportional to 4,761.34, 7,141.65 and 1,298.86 is: 1,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.34 : 7,141.65 = 1,298.86 : x
  2. Step 2: Convert to fraction form
    4,761.34/7,141.65 = 1,298.86/x
  3. Step 3: Cross multiply
    4,761.34x = 7,141.65 × 1,298.86
  4. Step 4: Simplify right side
    4,761.34x = 9,276,003.52
  5. Step 5: Solve for x
    x = 9,276,003.52/4,761.34
  6. Step 6: Final answer
    x = 1,948.19

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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.