Home / 5,417.95-8,128.06-3,079.04

Finding the Fourth Proportional to 5,417.95, 8,128.06 and 3,079.04

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Solution

The fourth proportional to 5,417.95, 8,128.06 and 3,079.04 is: 4,619.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.95 : 8,128.06 = 3,079.04 : x
  2. Step 2: Convert to fraction form
    5,417.95/8,128.06 = 3,079.04/x
  3. Step 3: Cross multiply
    5,417.95x = 8,128.06 × 3,079.04
  4. Step 4: Simplify right side
    5,417.95x = 25,026,621.86
  5. Step 5: Solve for x
    x = 25,026,621.86/5,417.95
  6. Step 6: Final answer
    x = 4,619.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.