Home / 6,390.69-9,587.45-2,495.13

Finding the Fourth Proportional to 6,390.69, 9,587.45 and 2,495.13

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Solution

The fourth proportional to 6,390.69, 9,587.45 and 2,495.13 is: 3,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.69 : 9,587.45 = 2,495.13 : x
  2. Step 2: Convert to fraction form
    6,390.69/9,587.45 = 2,495.13/x
  3. Step 3: Cross multiply
    6,390.69x = 9,587.45 × 2,495.13
  4. Step 4: Simplify right side
    6,390.69x = 23,921,934.12
  5. Step 5: Solve for x
    x = 23,921,934.12/6,390.69
  6. Step 6: Final answer
    x = 3,743.25

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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.