Home / 6,656.98-9,192.54-4,143.40

Finding the Fourth Proportional to 6,656.98, 9,192.54 and 4,143.40

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Solution

The fourth proportional to 6,656.98, 9,192.54 and 4,143.40 is: 5,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.98 : 9,192.54 = 4,143.40 : x
  2. Step 2: Convert to fraction form
    6,656.98/9,192.54 = 4,143.40/x
  3. Step 3: Cross multiply
    6,656.98x = 9,192.54 × 4,143.40
  4. Step 4: Simplify right side
    6,656.98x = 38,088,370.24
  5. Step 5: Solve for x
    x = 38,088,370.24/6,656.98
  6. Step 6: Final answer
    x = 5,721.57

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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.