Home / 6,970.12-10,447.89-2,585.59

Finding the Fourth Proportional to 6,970.12, 10,447.89 and 2,585.59

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Solution

The fourth proportional to 6,970.12, 10,447.89 and 2,585.59 is: 3,875.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970.12 : 10,447.89 = 2,585.59 : x
  2. Step 2: Convert to fraction form
    6,970.12/10,447.89 = 2,585.59/x
  3. Step 3: Cross multiply
    6,970.12x = 10,447.89 × 2,585.59
  4. Step 4: Simplify right side
    6,970.12x = 27,013,959.91
  5. Step 5: Solve for x
    x = 27,013,959.91/6,970.12
  6. Step 6: Final answer
    x = 3,875.68

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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.