Home / 5,140.18-7,710.24-1,244.58

Finding the Fourth Proportional to 5,140.18, 7,710.24 and 1,244.58

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Solution

The fourth proportional to 5,140.18, 7,710.24 and 1,244.58 is: 1,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.18 : 7,710.24 = 1,244.58 : x
  2. Step 2: Convert to fraction form
    5,140.18/7,710.24 = 1,244.58/x
  3. Step 3: Cross multiply
    5,140.18x = 7,710.24 × 1,244.58
  4. Step 4: Simplify right side
    5,140.18x = 9,596,010.50
  5. Step 5: Solve for x
    x = 9,596,010.50/5,140.18
  6. Step 6: Final answer
    x = 1,866.86

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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.