Home / 8,750.56-13,127.12-3,555.36

Finding the Fourth Proportional to 8,750.56, 13,127.12 and 3,555.36

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Solution

The fourth proportional to 8,750.56, 13,127.12 and 3,555.36 is: 5,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.56 : 13,127.12 = 3,555.36 : x
  2. Step 2: Convert to fraction form
    8,750.56/13,127.12 = 3,555.36/x
  3. Step 3: Cross multiply
    8,750.56x = 13,127.12 × 3,555.36
  4. Step 4: Simplify right side
    8,750.56x = 46,671,637.36
  5. Step 5: Solve for x
    x = 46,671,637.36/8,750.56
  6. Step 6: Final answer
    x = 5,333.56

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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.