Home / 7,031.68-10,538.38-2,866.81

Finding the Fourth Proportional to 7,031.68, 10,538.38 and 2,866.81

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Solution

The fourth proportional to 7,031.68, 10,538.38 and 2,866.81 is: 4,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.68 : 10,538.38 = 2,866.81 : x
  2. Step 2: Convert to fraction form
    7,031.68/10,538.38 = 2,866.81/x
  3. Step 3: Cross multiply
    7,031.68x = 10,538.38 × 2,866.81
  4. Step 4: Simplify right side
    7,031.68x = 30,211,533.17
  5. Step 5: Solve for x
    x = 30,211,533.17/7,031.68
  6. Step 6: Final answer
    x = 4,296.49

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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.