Home / 5,074.74-7,007.45-4,239.90

Finding the Fourth Proportional to 5,074.74, 7,007.45 and 4,239.90

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Solution

The fourth proportional to 5,074.74, 7,007.45 and 4,239.90 is: 5,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.74 : 7,007.45 = 4,239.90 : x
  2. Step 2: Convert to fraction form
    5,074.74/7,007.45 = 4,239.90/x
  3. Step 3: Cross multiply
    5,074.74x = 7,007.45 × 4,239.90
  4. Step 4: Simplify right side
    5,074.74x = 29,710,866.06
  5. Step 5: Solve for x
    x = 29,710,866.06/5,074.74
  6. Step 6: Final answer
    x = 5,854.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.