Home / 6,143.12-8,477.51-3,490.53

Finding the Fourth Proportional to 6,143.12, 8,477.51 and 3,490.53

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Solution

The fourth proportional to 6,143.12, 8,477.51 and 3,490.53 is: 4,816.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.12 : 8,477.51 = 3,490.53 : x
  2. Step 2: Convert to fraction form
    6,143.12/8,477.51 = 3,490.53/x
  3. Step 3: Cross multiply
    6,143.12x = 8,477.51 × 3,490.53
  4. Step 4: Simplify right side
    6,143.12x = 29,591,030.17
  5. Step 5: Solve for x
    x = 29,591,030.17/6,143.12
  6. Step 6: Final answer
    x = 4,816.93

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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.