Home / 7,883.60-11,818.98-2,950.47

Finding the Fourth Proportional to 7,883.60, 11,818.98 and 2,950.47

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Solution

The fourth proportional to 7,883.60, 11,818.98 and 2,950.47 is: 4,423.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.60 : 11,818.98 = 2,950.47 : x
  2. Step 2: Convert to fraction form
    7,883.60/11,818.98 = 2,950.47/x
  3. Step 3: Cross multiply
    7,883.60x = 11,818.98 × 2,950.47
  4. Step 4: Simplify right side
    7,883.60x = 34,871,545.92
  5. Step 5: Solve for x
    x = 34,871,545.92/7,883.60
  6. Step 6: Final answer
    x = 4,423.31

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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.