Home / 5,488.33-7,574.04-3,130.69

Finding the Fourth Proportional to 5,488.33, 7,574.04 and 3,130.69

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Solution

The fourth proportional to 5,488.33, 7,574.04 and 3,130.69 is: 4,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.33 : 7,574.04 = 3,130.69 : x
  2. Step 2: Convert to fraction form
    5,488.33/7,574.04 = 3,130.69/x
  3. Step 3: Cross multiply
    5,488.33x = 7,574.04 × 3,130.69
  4. Step 4: Simplify right side
    5,488.33x = 23,711,971.29
  5. Step 5: Solve for x
    x = 23,711,971.29/5,488.33
  6. Step 6: Final answer
    x = 4,320.43

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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.