Home / 4,079.57-6,119.65-1,158.10

Finding the Fourth Proportional to 4,079.57, 6,119.65 and 1,158.10

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Solution

The fourth proportional to 4,079.57, 6,119.65 and 1,158.10 is: 1,737.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.57 : 6,119.65 = 1,158.10 : x
  2. Step 2: Convert to fraction form
    4,079.57/6,119.65 = 1,158.10/x
  3. Step 3: Cross multiply
    4,079.57x = 6,119.65 × 1,158.10
  4. Step 4: Simplify right side
    4,079.57x = 7,087,152.81
  5. Step 5: Solve for x
    x = 7,087,152.81/4,079.57
  6. Step 6: Final answer
    x = 1,737.23

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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.