Home / 7,533.90-10,397.40-4,177.77

Finding the Fourth Proportional to 7,533.90, 10,397.40 and 4,177.77

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Solution

The fourth proportional to 7,533.90, 10,397.40 and 4,177.77 is: 5,765.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,533.90 : 10,397.40 = 4,177.77 : x
  2. Step 2: Convert to fraction form
    7,533.90/10,397.40 = 4,177.77/x
  3. Step 3: Cross multiply
    7,533.90x = 10,397.40 × 4,177.77
  4. Step 4: Simplify right side
    7,533.90x = 43,437,891.14
  5. Step 5: Solve for x
    x = 43,437,891.14/7,533.90
  6. Step 6: Final answer
    x = 5,765.66

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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.