Home / 8,670.20-11,967.95-5,133.41

Finding the Fourth Proportional to 8,670.20, 11,967.95 and 5,133.41

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Solution

The fourth proportional to 8,670.20, 11,967.95 and 5,133.41 is: 7,085.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.20 : 11,967.95 = 5,133.41 : x
  2. Step 2: Convert to fraction form
    8,670.20/11,967.95 = 5,133.41/x
  3. Step 3: Cross multiply
    8,670.20x = 11,967.95 × 5,133.41
  4. Step 4: Simplify right side
    8,670.20x = 61,436,368.54
  5. Step 5: Solve for x
    x = 61,436,368.54/8,670.20
  6. Step 6: Final answer
    x = 7,085.92

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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.