Home / 6,437.30-9,659.26-4,876.78

Finding the Fourth Proportional to 6,437.30, 9,659.26 and 4,876.78

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Solution

The fourth proportional to 6,437.30, 9,659.26 and 4,876.78 is: 7,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.30 : 9,659.26 = 4,876.78 : x
  2. Step 2: Convert to fraction form
    6,437.30/9,659.26 = 4,876.78/x
  3. Step 3: Cross multiply
    6,437.30x = 9,659.26 × 4,876.78
  4. Step 4: Simplify right side
    6,437.30x = 47,106,085.98
  5. Step 5: Solve for x
    x = 47,106,085.98/6,437.30
  6. Step 6: Final answer
    x = 7,317.68

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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.