Home / 8,908.26-12,293.34-5,130.05

Finding the Fourth Proportional to 8,908.26, 12,293.34 and 5,130.05

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Solution

The fourth proportional to 8,908.26, 12,293.34 and 5,130.05 is: 7,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.26 : 12,293.34 = 5,130.05 : x
  2. Step 2: Convert to fraction form
    8,908.26/12,293.34 = 5,130.05/x
  3. Step 3: Cross multiply
    8,908.26x = 12,293.34 × 5,130.05
  4. Step 4: Simplify right side
    8,908.26x = 63,065,368.16
  5. Step 5: Solve for x
    x = 63,065,368.16/8,908.26
  6. Step 6: Final answer
    x = 7,079.43

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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.