Home / 8,970.26-13,448.10-3,130.97

Finding the Fourth Proportional to 8,970.26, 13,448.10 and 3,130.97

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Solution

The fourth proportional to 8,970.26, 13,448.10 and 3,130.97 is: 4,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.26 : 13,448.10 = 3,130.97 : x
  2. Step 2: Convert to fraction form
    8,970.26/13,448.10 = 3,130.97/x
  3. Step 3: Cross multiply
    8,970.26x = 13,448.10 × 3,130.97
  4. Step 4: Simplify right side
    8,970.26x = 42,105,643.02
  5. Step 5: Solve for x
    x = 42,105,643.02/8,970.26
  6. Step 6: Final answer
    x = 4,693.91

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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.