Home / 7,555.40-11,335.05-2,875.49

Finding the Fourth Proportional to 7,555.40, 11,335.05 and 2,875.49

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Solution

The fourth proportional to 7,555.40, 11,335.05 and 2,875.49 is: 4,313.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.40 : 11,335.05 = 2,875.49 : x
  2. Step 2: Convert to fraction form
    7,555.40/11,335.05 = 2,875.49/x
  3. Step 3: Cross multiply
    7,555.40x = 11,335.05 × 2,875.49
  4. Step 4: Simplify right side
    7,555.40x = 32,593,822.92
  5. Step 5: Solve for x
    x = 32,593,822.92/7,555.40
  6. Step 6: Final answer
    x = 4,313.98

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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.