Home / 7,607.18-10,521.24-6,820.94

Finding the Fourth Proportional to 7,607.18, 10,521.24 and 6,820.94

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Solution

The fourth proportional to 7,607.18, 10,521.24 and 6,820.94 is: 9,433.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.18 : 10,521.24 = 6,820.94 : x
  2. Step 2: Convert to fraction form
    7,607.18/10,521.24 = 6,820.94/x
  3. Step 3: Cross multiply
    7,607.18x = 10,521.24 × 6,820.94
  4. Step 4: Simplify right side
    7,607.18x = 71,764,746.77
  5. Step 5: Solve for x
    x = 71,764,746.77/7,607.18
  6. Step 6: Final answer
    x = 9,433.82

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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.