Home / 5,436.02-8,139.66-4,376.13

Finding the Fourth Proportional to 5,436.02, 8,139.66 and 4,376.13

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Solution

The fourth proportional to 5,436.02, 8,139.66 and 4,376.13 is: 6,552.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.02 : 8,139.66 = 4,376.13 : x
  2. Step 2: Convert to fraction form
    5,436.02/8,139.66 = 4,376.13/x
  3. Step 3: Cross multiply
    5,436.02x = 8,139.66 × 4,376.13
  4. Step 4: Simplify right side
    5,436.02x = 35,620,210.32
  5. Step 5: Solve for x
    x = 35,620,210.32/5,436.02
  6. Step 6: Final answer
    x = 6,552.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.