Home / 7,814.08-11,702.16-4,298.72

Finding the Fourth Proportional to 7,814.08, 11,702.16 and 4,298.72

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Solution

The fourth proportional to 7,814.08, 11,702.16 and 4,298.72 is: 6,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.08 : 11,702.16 = 4,298.72 : x
  2. Step 2: Convert to fraction form
    7,814.08/11,702.16 = 4,298.72/x
  3. Step 3: Cross multiply
    7,814.08x = 11,702.16 × 4,298.72
  4. Step 4: Simplify right side
    7,814.08x = 50,304,309.24
  5. Step 5: Solve for x
    x = 50,304,309.24/7,814.08
  6. Step 6: Final answer
    x = 6,437.65

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1.5x scale

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.