Home / 6,309.12-9,456.96-5,070.72

Finding the Fourth Proportional to 6,309.12, 9,456.96 and 5,070.72

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Solution

The fourth proportional to 6,309.12, 9,456.96 and 5,070.72 is: 7,600.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309.12 : 9,456.96 = 5,070.72 : x
  2. Step 2: Convert to fraction form
    6,309.12/9,456.96 = 5,070.72/x
  3. Step 3: Cross multiply
    6,309.12x = 9,456.96 × 5,070.72
  4. Step 4: Simplify right side
    6,309.12x = 47,953,596.21
  5. Step 5: Solve for x
    x = 47,953,596.21/6,309.12
  6. Step 6: Final answer
    x = 7,600.68

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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.