Home / 8,938.58-12,337.03-5,162.36

Finding the Fourth Proportional to 8,938.58, 12,337.03 and 5,162.36

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Solution

The fourth proportional to 8,938.58, 12,337.03 and 5,162.36 is: 7,125.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.58 : 12,337.03 = 5,162.36 : x
  2. Step 2: Convert to fraction form
    8,938.58/12,337.03 = 5,162.36/x
  3. Step 3: Cross multiply
    8,938.58x = 12,337.03 × 5,162.36
  4. Step 4: Simplify right side
    8,938.58x = 63,688,128.51
  5. Step 5: Solve for x
    x = 63,688,128.51/8,938.58
  6. Step 6: Final answer
    x = 7,125.09

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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.