Home / 6,389.40-9,570.25-3,095.61

Finding the Fourth Proportional to 6,389.40, 9,570.25 and 3,095.61

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Solution

The fourth proportional to 6,389.40, 9,570.25 and 3,095.61 is: 4,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.40 : 9,570.25 = 3,095.61 : x
  2. Step 2: Convert to fraction form
    6,389.40/9,570.25 = 3,095.61/x
  3. Step 3: Cross multiply
    6,389.40x = 9,570.25 × 3,095.61
  4. Step 4: Simplify right side
    6,389.40x = 29,625,761.60
  5. Step 5: Solve for x
    x = 29,625,761.60/6,389.40
  6. Step 6: Final answer
    x = 4,636.70

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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.