Home / 8,583.60-12,875.40-3,036.90

Finding the Fourth Proportional to 8,583.60, 12,875.40 and 3,036.90

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Solution

The fourth proportional to 8,583.60, 12,875.40 and 3,036.90 is: 4,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.60 : 12,875.40 = 3,036.90 : x
  2. Step 2: Convert to fraction form
    8,583.60/12,875.40 = 3,036.90/x
  3. Step 3: Cross multiply
    8,583.60x = 12,875.40 × 3,036.90
  4. Step 4: Simplify right side
    8,583.60x = 39,101,302.26
  5. Step 5: Solve for x
    x = 39,101,302.26/8,583.60
  6. Step 6: Final answer
    x = 4,555.35

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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.