Home / 7,917.67-10,925.84-4,381.01

Finding the Fourth Proportional to 7,917.67, 10,925.84 and 4,381.01

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Solution

The fourth proportional to 7,917.67, 10,925.84 and 4,381.01 is: 6,045.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.67 : 10,925.84 = 4,381.01 : x
  2. Step 2: Convert to fraction form
    7,917.67/10,925.84 = 4,381.01/x
  3. Step 3: Cross multiply
    7,917.67x = 10,925.84 × 4,381.01
  4. Step 4: Simplify right side
    7,917.67x = 47,866,137.76
  5. Step 5: Solve for x
    x = 47,866,137.76/7,917.67
  6. Step 6: Final answer
    x = 6,045.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.