Home / 7,011.40-10,510.98-2,627.68

Finding the Fourth Proportional to 7,011.40, 10,510.98 and 2,627.68

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Solution

The fourth proportional to 7,011.40, 10,510.98 and 2,627.68 is: 3,939.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.40 : 10,510.98 = 2,627.68 : x
  2. Step 2: Convert to fraction form
    7,011.40/10,510.98 = 2,627.68/x
  3. Step 3: Cross multiply
    7,011.40x = 10,510.98 × 2,627.68
  4. Step 4: Simplify right side
    7,011.40x = 27,619,491.93
  5. Step 5: Solve for x
    x = 27,619,491.93/7,011.40
  6. Step 6: Final answer
    x = 3,939.23

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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.