Home / 7,359.52-10,157.36-4,215.64

Finding the Fourth Proportional to 7,359.52, 10,157.36 and 4,215.64

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Solution

The fourth proportional to 7,359.52, 10,157.36 and 4,215.64 is: 5,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.52 : 10,157.36 = 4,215.64 : x
  2. Step 2: Convert to fraction form
    7,359.52/10,157.36 = 4,215.64/x
  3. Step 3: Cross multiply
    7,359.52x = 10,157.36 × 4,215.64
  4. Step 4: Simplify right side
    7,359.52x = 42,819,773.11
  5. Step 5: Solve for x
    x = 42,819,773.11/7,359.52
  6. Step 6: Final answer
    x = 5,818.28

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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.