Home / 6,875.04-9,488.02-3,890.88

Finding the Fourth Proportional to 6,875.04, 9,488.02 and 3,890.88

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Solution

The fourth proportional to 6,875.04, 9,488.02 and 3,890.88 is: 5,369.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.04 : 9,488.02 = 3,890.88 : x
  2. Step 2: Convert to fraction form
    6,875.04/9,488.02 = 3,890.88/x
  3. Step 3: Cross multiply
    6,875.04x = 9,488.02 × 3,890.88
  4. Step 4: Simplify right side
    6,875.04x = 36,916,747.26
  5. Step 5: Solve for x
    x = 36,916,747.26/6,875.04
  6. Step 6: Final answer
    x = 5,369.68

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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.