Home / 9,471.51-13,070.85-5,279.76

Finding the Fourth Proportional to 9,471.51, 13,070.85 and 5,279.76

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Solution

The fourth proportional to 9,471.51, 13,070.85 and 5,279.76 is: 7,286.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,471.51 : 13,070.85 = 5,279.76 : x
  2. Step 2: Convert to fraction form
    9,471.51/13,070.85 = 5,279.76/x
  3. Step 3: Cross multiply
    9,471.51x = 13,070.85 × 5,279.76
  4. Step 4: Simplify right side
    9,471.51x = 69,010,951.00
  5. Step 5: Solve for x
    x = 69,010,951.00/9,471.51
  6. Step 6: Final answer
    x = 7,286.16

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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.