Home / 8,247.28-12,368.18-3,803.11

Finding the Fourth Proportional to 8,247.28, 12,368.18 and 3,803.11

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Solution

The fourth proportional to 8,247.28, 12,368.18 and 3,803.11 is: 5,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.28 : 12,368.18 = 3,803.11 : x
  2. Step 2: Convert to fraction form
    8,247.28/12,368.18 = 3,803.11/x
  3. Step 3: Cross multiply
    8,247.28x = 12,368.18 × 3,803.11
  4. Step 4: Simplify right side
    8,247.28x = 47,037,549.04
  5. Step 5: Solve for x
    x = 47,037,549.04/8,247.28
  6. Step 6: Final answer
    x = 5,703.40

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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.