Home / 8,898.25-13,316.51-5,386.12

Finding the Fourth Proportional to 8,898.25, 13,316.51 and 5,386.12

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Solution

The fourth proportional to 8,898.25, 13,316.51 and 5,386.12 is: 8,060.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.25 : 13,316.51 = 5,386.12 : x
  2. Step 2: Convert to fraction form
    8,898.25/13,316.51 = 5,386.12/x
  3. Step 3: Cross multiply
    8,898.25x = 13,316.51 × 5,386.12
  4. Step 4: Simplify right side
    8,898.25x = 71,724,347.40
  5. Step 5: Solve for x
    x = 71,724,347.40/8,898.25
  6. Step 6: Final answer
    x = 8,060.50

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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.