Home / 5,133.40-7,687.95-3,165.10

Finding the Fourth Proportional to 5,133.40, 7,687.95 and 3,165.10

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Solution

The fourth proportional to 5,133.40, 7,687.95 and 3,165.10 is: 4,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.40 : 7,687.95 = 3,165.10 : x
  2. Step 2: Convert to fraction form
    5,133.40/7,687.95 = 3,165.10/x
  3. Step 3: Cross multiply
    5,133.40x = 7,687.95 × 3,165.10
  4. Step 4: Simplify right side
    5,133.40x = 24,333,130.55
  5. Step 5: Solve for x
    x = 24,333,130.55/5,133.40
  6. Step 6: Final answer
    x = 4,740.16

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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.