Home / 9,140.64-13,710.56-5,006.84

Finding the Fourth Proportional to 9,140.64, 13,710.56 and 5,006.84

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Solution

The fourth proportional to 9,140.64, 13,710.56 and 5,006.84 is: 7,510.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.64 : 13,710.56 = 5,006.84 : x
  2. Step 2: Convert to fraction form
    9,140.64/13,710.56 = 5,006.84/x
  3. Step 3: Cross multiply
    9,140.64x = 13,710.56 × 5,006.84
  4. Step 4: Simplify right side
    9,140.64x = 68,646,580.23
  5. Step 5: Solve for x
    x = 68,646,580.23/9,140.64
  6. Step 6: Final answer
    x = 7,510.04

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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.