Home / 5,276.72-7,279.20-4,901.51

Finding the Fourth Proportional to 5,276.72, 7,279.20 and 4,901.51

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Solution

The fourth proportional to 5,276.72, 7,279.20 and 4,901.51 is: 6,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.72 : 7,279.20 = 4,901.51 : x
  2. Step 2: Convert to fraction form
    5,276.72/7,279.20 = 4,901.51/x
  3. Step 3: Cross multiply
    5,276.72x = 7,279.20 × 4,901.51
  4. Step 4: Simplify right side
    5,276.72x = 35,679,071.59
  5. Step 5: Solve for x
    x = 35,679,071.59/5,276.72
  6. Step 6: Final answer
    x = 6,761.60

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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.