Home / 7,913.90-11,870.98-2,365.94

Finding the Fourth Proportional to 7,913.90, 11,870.98 and 2,365.94

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Solution

The fourth proportional to 7,913.90, 11,870.98 and 2,365.94 is: 3,548.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.90 : 11,870.98 = 2,365.94 : x
  2. Step 2: Convert to fraction form
    7,913.90/11,870.98 = 2,365.94/x
  3. Step 3: Cross multiply
    7,913.90x = 11,870.98 × 2,365.94
  4. Step 4: Simplify right side
    7,913.90x = 28,086,026.42
  5. Step 5: Solve for x
    x = 28,086,026.42/7,913.90
  6. Step 6: Final answer
    x = 3,548.95

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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.