Home / 10,055.40-15,077.02-4,507.72

Finding the Fourth Proportional to 10,055.40, 15,077.02 and 4,507.72

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Solution

The fourth proportional to 10,055.40, 15,077.02 and 4,507.72 is: 6,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.40 : 15,077.02 = 4,507.72 : x
  2. Step 2: Convert to fraction form
    10,055.40/15,077.02 = 4,507.72/x
  3. Step 3: Cross multiply
    10,055.40x = 15,077.02 × 4,507.72
  4. Step 4: Simplify right side
    10,055.40x = 67,962,984.59
  5. Step 5: Solve for x
    x = 67,962,984.59/10,055.40
  6. Step 6: Final answer
    x = 6,758.85

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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.