Home / 8,395.02-12,592.28-2,154.78

Finding the Fourth Proportional to 8,395.02, 12,592.28 and 2,154.78

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Solution

The fourth proportional to 8,395.02, 12,592.28 and 2,154.78 is: 3,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.02 : 12,592.28 = 2,154.78 : x
  2. Step 2: Convert to fraction form
    8,395.02/12,592.28 = 2,154.78/x
  3. Step 3: Cross multiply
    8,395.02x = 12,592.28 × 2,154.78
  4. Step 4: Simplify right side
    8,395.02x = 27,133,582.32
  5. Step 5: Solve for x
    x = 27,133,582.32/8,395.02
  6. Step 6: Final answer
    x = 3,232.10

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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.