Home / 7,225.80-10,838.70-2,607.72

Finding the Fourth Proportional to 7,225.80, 10,838.70 and 2,607.72

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Solution

The fourth proportional to 7,225.80, 10,838.70 and 2,607.72 is: 3,911.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.80 : 10,838.70 = 2,607.72 : x
  2. Step 2: Convert to fraction form
    7,225.80/10,838.70 = 2,607.72/x
  3. Step 3: Cross multiply
    7,225.80x = 10,838.70 × 2,607.72
  4. Step 4: Simplify right side
    7,225.80x = 28,264,294.76
  5. Step 5: Solve for x
    x = 28,264,294.76/7,225.80
  6. Step 6: Final answer
    x = 3,911.58

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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.