Home / 5,031.68-7,541.64-2,106.63

Finding the Fourth Proportional to 5,031.68, 7,541.64 and 2,106.63

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Solution

The fourth proportional to 5,031.68, 7,541.64 and 2,106.63 is: 3,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.68 : 7,541.64 = 2,106.63 : x
  2. Step 2: Convert to fraction form
    5,031.68/7,541.64 = 2,106.63/x
  3. Step 3: Cross multiply
    5,031.68x = 7,541.64 × 2,106.63
  4. Step 4: Simplify right side
    5,031.68x = 15,887,445.07
  5. Step 5: Solve for x
    x = 15,887,445.07/5,031.68
  6. Step 6: Final answer
    x = 3,157.49

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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.