Home / 7,011.68-10,521.21-2,854.76

Finding the Fourth Proportional to 7,011.68, 10,521.21 and 2,854.76

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Solution

The fourth proportional to 7,011.68, 10,521.21 and 2,854.76 is: 4,283.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.68 : 10,521.21 = 2,854.76 : x
  2. Step 2: Convert to fraction form
    7,011.68/10,521.21 = 2,854.76/x
  3. Step 3: Cross multiply
    7,011.68x = 10,521.21 × 2,854.76
  4. Step 4: Simplify right side
    7,011.68x = 30,035,529.46
  5. Step 5: Solve for x
    x = 30,035,529.46/7,011.68
  6. Step 6: Final answer
    x = 4,283.64

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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.