Home / 8,599.19-11,869.40-5,615.48

Finding the Fourth Proportional to 8,599.19, 11,869.40 and 5,615.48

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Solution

The fourth proportional to 8,599.19, 11,869.40 and 5,615.48 is: 7,751.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.19 : 11,869.40 = 5,615.48 : x
  2. Step 2: Convert to fraction form
    8,599.19/11,869.40 = 5,615.48/x
  3. Step 3: Cross multiply
    8,599.19x = 11,869.40 × 5,615.48
  4. Step 4: Simplify right side
    8,599.19x = 66,652,379.91
  5. Step 5: Solve for x
    x = 66,652,379.91/8,599.19
  6. Step 6: Final answer
    x = 7,751.01

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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.