Home / 8,959.40-13,439.02-2,386.06

Finding the Fourth Proportional to 8,959.40, 13,439.02 and 2,386.06

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Solution

The fourth proportional to 8,959.40, 13,439.02 and 2,386.06 is: 3,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.40 : 13,439.02 = 2,386.06 : x
  2. Step 2: Convert to fraction form
    8,959.40/13,439.02 = 2,386.06/x
  3. Step 3: Cross multiply
    8,959.40x = 13,439.02 × 2,386.06
  4. Step 4: Simplify right side
    8,959.40x = 32,066,308.06
  5. Step 5: Solve for x
    x = 32,066,308.06/8,959.40
  6. Step 6: Final answer
    x = 3,579.07

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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.