Home / 4,873.77-7,311.87-1,587.20

Finding the Fourth Proportional to 4,873.77, 7,311.87 and 1,587.20

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Solution

The fourth proportional to 4,873.77, 7,311.87 and 1,587.20 is: 2,381.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,873.77 : 7,311.87 = 1,587.20 : x
  2. Step 2: Convert to fraction form
    4,873.77/7,311.87 = 1,587.20/x
  3. Step 3: Cross multiply
    4,873.77x = 7,311.87 × 1,587.20
  4. Step 4: Simplify right side
    4,873.77x = 11,605,363.50
  5. Step 5: Solve for x
    x = 11,605,363.50/4,873.77
  6. Step 6: Final answer
    x = 2,381.19

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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.