Home / 8,155.02-12,227.93-2,607.06

Finding the Fourth Proportional to 8,155.02, 12,227.93 and 2,607.06

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Solution

The fourth proportional to 8,155.02, 12,227.93 and 2,607.06 is: 3,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.02 : 12,227.93 = 2,607.06 : x
  2. Step 2: Convert to fraction form
    8,155.02/12,227.93 = 2,607.06/x
  3. Step 3: Cross multiply
    8,155.02x = 12,227.93 × 2,607.06
  4. Step 4: Simplify right side
    8,155.02x = 31,878,947.19
  5. Step 5: Solve for x
    x = 31,878,947.19/8,155.02
  6. Step 6: Final answer
    x = 3,909.12

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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.