Home / 4,750.40-7,123.77-3,285.11

Finding the Fourth Proportional to 4,750.40, 7,123.77 and 3,285.11

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Solution

The fourth proportional to 4,750.40, 7,123.77 and 3,285.11 is: 4,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.40 : 7,123.77 = 3,285.11 : x
  2. Step 2: Convert to fraction form
    4,750.40/7,123.77 = 3,285.11/x
  3. Step 3: Cross multiply
    4,750.40x = 7,123.77 × 3,285.11
  4. Step 4: Simplify right side
    4,750.40x = 23,402,332.45
  5. Step 5: Solve for x
    x = 23,402,332.45/4,750.40
  6. Step 6: Final answer
    x = 4,926.40

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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.