Home / 5,110.93-7,036.91-4,643.78

Finding the Fourth Proportional to 5,110.93, 7,036.91 and 4,643.78

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Solution

The fourth proportional to 5,110.93, 7,036.91 and 4,643.78 is: 6,393.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.93 : 7,036.91 = 4,643.78 : x
  2. Step 2: Convert to fraction form
    5,110.93/7,036.91 = 4,643.78/x
  3. Step 3: Cross multiply
    5,110.93x = 7,036.91 × 4,643.78
  4. Step 4: Simplify right side
    5,110.93x = 32,677,861.92
  5. Step 5: Solve for x
    x = 32,677,861.92/5,110.93
  6. Step 6: Final answer
    x = 6,393.72

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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.