Home / 5,548.59-7,646.45-3,973.95

Finding the Fourth Proportional to 5,548.59, 7,646.45 and 3,973.95

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Solution

The fourth proportional to 5,548.59, 7,646.45 and 3,973.95 is: 5,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.59 : 7,646.45 = 3,973.95 : x
  2. Step 2: Convert to fraction form
    5,548.59/7,646.45 = 3,973.95/x
  3. Step 3: Cross multiply
    5,548.59x = 7,646.45 × 3,973.95
  4. Step 4: Simplify right side
    5,548.59x = 30,386,590.11
  5. Step 5: Solve for x
    x = 30,386,590.11/5,548.59
  6. Step 6: Final answer
    x = 5,476.45

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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.