Home / 8,899.07-12,281.63-5,122.37

Finding the Fourth Proportional to 8,899.07, 12,281.63 and 5,122.37

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Solution

The fourth proportional to 8,899.07, 12,281.63 and 5,122.37 is: 7,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.07 : 12,281.63 = 5,122.37 : x
  2. Step 2: Convert to fraction form
    8,899.07/12,281.63 = 5,122.37/x
  3. Step 3: Cross multiply
    8,899.07x = 12,281.63 × 5,122.37
  4. Step 4: Simplify right side
    8,899.07x = 62,911,058.16
  5. Step 5: Solve for x
    x = 62,911,058.16/8,899.07
  6. Step 6: Final answer
    x = 7,069.40

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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.