Home / 7,456.59-10,279.26-5,211.50

Finding the Fourth Proportional to 7,456.59, 10,279.26 and 5,211.50

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Solution

The fourth proportional to 7,456.59, 10,279.26 and 5,211.50 is: 7,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.59 : 10,279.26 = 5,211.50 : x
  2. Step 2: Convert to fraction form
    7,456.59/10,279.26 = 5,211.50/x
  3. Step 3: Cross multiply
    7,456.59x = 10,279.26 × 5,211.50
  4. Step 4: Simplify right side
    7,456.59x = 53,570,363.49
  5. Step 5: Solve for x
    x = 53,570,363.49/7,456.59
  6. Step 6: Final answer
    x = 7,184.30

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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.