Home / 7,909.02-11,847.09-4,612.11

Finding the Fourth Proportional to 7,909.02, 11,847.09 and 4,612.11

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Solution

The fourth proportional to 7,909.02, 11,847.09 and 4,612.11 is: 6,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.02 : 11,847.09 = 4,612.11 : x
  2. Step 2: Convert to fraction form
    7,909.02/11,847.09 = 4,612.11/x
  3. Step 3: Cross multiply
    7,909.02x = 11,847.09 × 4,612.11
  4. Step 4: Simplify right side
    7,909.02x = 54,640,082.26
  5. Step 5: Solve for x
    x = 54,640,082.26/7,909.02
  6. Step 6: Final answer
    x = 6,908.58

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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.