Home / 8,820.47-12,172.40-4,841.95

Finding the Fourth Proportional to 8,820.47, 12,172.40 and 4,841.95

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Solution

The fourth proportional to 8,820.47, 12,172.40 and 4,841.95 is: 6,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.47 : 12,172.40 = 4,841.95 : x
  2. Step 2: Convert to fraction form
    8,820.47/12,172.40 = 4,841.95/x
  3. Step 3: Cross multiply
    8,820.47x = 12,172.40 × 4,841.95
  4. Step 4: Simplify right side
    8,820.47x = 58,938,179.50
  5. Step 5: Solve for x
    x = 58,938,179.50/8,820.47
  6. Step 6: Final answer
    x = 6,681.98

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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.