Home / 5,678.02-7,829.58-4,480.93

Finding the Fourth Proportional to 5,678.02, 7,829.58 and 4,480.93

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Solution

The fourth proportional to 5,678.02, 7,829.58 and 4,480.93 is: 6,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.02 : 7,829.58 = 4,480.93 : x
  2. Step 2: Convert to fraction form
    5,678.02/7,829.58 = 4,480.93/x
  3. Step 3: Cross multiply
    5,678.02x = 7,829.58 × 4,480.93
  4. Step 4: Simplify right side
    5,678.02x = 35,083,799.91
  5. Step 5: Solve for x
    x = 35,083,799.91/5,678.02
  6. Step 6: Final answer
    x = 6,178.88

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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.