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Finding the Fourth Proportional to 5,436.66, 8,115.81 and 5,030.94

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Solution

The fourth proportional to 5,436.66, 8,115.81 and 5,030.94 is: 7,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.66 : 8,115.81 = 5,030.94 : x
  2. Step 2: Convert to fraction form
    5,436.66/8,115.81 = 5,030.94/x
  3. Step 3: Cross multiply
    5,436.66x = 8,115.81 × 5,030.94
  4. Step 4: Simplify right side
    5,436.66x = 40,830,153.16
  5. Step 5: Solve for x
    x = 40,830,153.16/5,436.66
  6. Step 6: Final answer
    x = 7,510.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.