Home / 7,454.25-10,279.80-4,897.51

Finding the Fourth Proportional to 7,454.25, 10,279.80 and 4,897.51

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Solution

The fourth proportional to 7,454.25, 10,279.80 and 4,897.51 is: 6,753.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.25 : 10,279.80 = 4,897.51 : x
  2. Step 2: Convert to fraction form
    7,454.25/10,279.80 = 4,897.51/x
  3. Step 3: Cross multiply
    7,454.25x = 10,279.80 × 4,897.51
  4. Step 4: Simplify right side
    7,454.25x = 50,345,423.30
  5. Step 5: Solve for x
    x = 50,345,423.30/7,454.25
  6. Step 6: Final answer
    x = 6,753.92

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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.