Home / 8,683.10-13,036.80-5,402.60

Finding the Fourth Proportional to 8,683.10, 13,036.80 and 5,402.60

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Solution

The fourth proportional to 8,683.10, 13,036.80 and 5,402.60 is: 8,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.10 : 13,036.80 = 5,402.60 : x
  2. Step 2: Convert to fraction form
    8,683.10/13,036.80 = 5,402.60/x
  3. Step 3: Cross multiply
    8,683.10x = 13,036.80 × 5,402.60
  4. Step 4: Simplify right side
    8,683.10x = 70,432,615.68
  5. Step 5: Solve for x
    x = 70,432,615.68/8,683.10
  6. Step 6: Final answer
    x = 8,111.46

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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.