Home / 8,730.08-13,087.02-2,885.40

Finding the Fourth Proportional to 8,730.08, 13,087.02 and 2,885.40

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Solution

The fourth proportional to 8,730.08, 13,087.02 and 2,885.40 is: 4,325.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.08 : 13,087.02 = 2,885.40 : x
  2. Step 2: Convert to fraction form
    8,730.08/13,087.02 = 2,885.40/x
  3. Step 3: Cross multiply
    8,730.08x = 13,087.02 × 2,885.40
  4. Step 4: Simplify right side
    8,730.08x = 37,761,287.51
  5. Step 5: Solve for x
    x = 37,761,287.51/8,730.08
  6. Step 6: Final answer
    x = 4,325.42

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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.