Home / 4,987.11-6,883.20-2,864.08

Finding the Fourth Proportional to 4,987.11, 6,883.20 and 2,864.08

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Solution

The fourth proportional to 4,987.11, 6,883.20 and 2,864.08 is: 3,953.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.11 : 6,883.20 = 2,864.08 : x
  2. Step 2: Convert to fraction form
    4,987.11/6,883.20 = 2,864.08/x
  3. Step 3: Cross multiply
    4,987.11x = 6,883.20 × 2,864.08
  4. Step 4: Simplify right side
    4,987.11x = 19,714,035.46
  5. Step 5: Solve for x
    x = 19,714,035.46/4,987.11
  6. Step 6: Final answer
    x = 3,953.00

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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.