Home / 8,869.48-13,270.80-5,298.36

Finding the Fourth Proportional to 8,869.48, 13,270.80 and 5,298.36

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Solution

The fourth proportional to 8,869.48, 13,270.80 and 5,298.36 is: 7,927.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.48 : 13,270.80 = 5,298.36 : x
  2. Step 2: Convert to fraction form
    8,869.48/13,270.80 = 5,298.36/x
  3. Step 3: Cross multiply
    8,869.48x = 13,270.80 × 5,298.36
  4. Step 4: Simplify right side
    8,869.48x = 70,313,475.89
  5. Step 5: Solve for x
    x = 70,313,475.89/8,869.48
  6. Step 6: Final answer
    x = 7,927.58

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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.