Home / 6,278.24-8,659.02-5,561.18

Finding the Fourth Proportional to 6,278.24, 8,659.02 and 5,561.18

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Solution

The fourth proportional to 6,278.24, 8,659.02 and 5,561.18 is: 7,670.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.24 : 8,659.02 = 5,561.18 : x
  2. Step 2: Convert to fraction form
    6,278.24/8,659.02 = 5,561.18/x
  3. Step 3: Cross multiply
    6,278.24x = 8,659.02 × 5,561.18
  4. Step 4: Simplify right side
    6,278.24x = 48,154,368.84
  5. Step 5: Solve for x
    x = 48,154,368.84/6,278.24
  6. Step 6: Final answer
    x = 7,670.04

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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.