Home / 6,921.90-10,366.65-4,718.70

Finding the Fourth Proportional to 6,921.90, 10,366.65 and 4,718.70

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Solution

The fourth proportional to 6,921.90, 10,366.65 and 4,718.70 is: 7,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.90 : 10,366.65 = 4,718.70 : x
  2. Step 2: Convert to fraction form
    6,921.90/10,366.65 = 4,718.70/x
  3. Step 3: Cross multiply
    6,921.90x = 10,366.65 × 4,718.70
  4. Step 4: Simplify right side
    6,921.90x = 48,917,111.36
  5. Step 5: Solve for x
    x = 48,917,111.36/6,921.90
  6. Step 6: Final answer
    x = 7,067.01

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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.