Home / 8,929.25-12,317.23-5,570.45

Finding the Fourth Proportional to 8,929.25, 12,317.23 and 5,570.45

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Solution

The fourth proportional to 8,929.25, 12,317.23 and 5,570.45 is: 7,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.25 : 12,317.23 = 5,570.45 : x
  2. Step 2: Convert to fraction form
    8,929.25/12,317.23 = 5,570.45/x
  3. Step 3: Cross multiply
    8,929.25x = 12,317.23 × 5,570.45
  4. Step 4: Simplify right side
    8,929.25x = 68,612,513.85
  5. Step 5: Solve for x
    x = 68,612,513.85/8,929.25
  6. Step 6: Final answer
    x = 7,684.02

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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.