Home / 9,228.04-12,730.92-6,435.16

Finding the Fourth Proportional to 9,228.04, 12,730.92 and 6,435.16

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Solution

The fourth proportional to 9,228.04, 12,730.92 and 6,435.16 is: 8,877.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.04 : 12,730.92 = 6,435.16 : x
  2. Step 2: Convert to fraction form
    9,228.04/12,730.92 = 6,435.16/x
  3. Step 3: Cross multiply
    9,228.04x = 12,730.92 × 6,435.16
  4. Step 4: Simplify right side
    9,228.04x = 81,925,507.15
  5. Step 5: Solve for x
    x = 81,925,507.15/9,228.04
  6. Step 6: Final answer
    x = 8,877.89

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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.