Home / 8,740.90-12,058.63-5,202.11

Finding the Fourth Proportional to 8,740.90, 12,058.63 and 5,202.11

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Solution

The fourth proportional to 8,740.90, 12,058.63 and 5,202.11 is: 7,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.90 : 12,058.63 = 5,202.11 : x
  2. Step 2: Convert to fraction form
    8,740.90/12,058.63 = 5,202.11/x
  3. Step 3: Cross multiply
    8,740.90x = 12,058.63 × 5,202.11
  4. Step 4: Simplify right side
    8,740.90x = 62,730,319.71
  5. Step 5: Solve for x
    x = 62,730,319.71/8,740.90
  6. Step 6: Final answer
    x = 7,176.64

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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.