Home / 5,415.86-7,473.57-3,177.63

Finding the Fourth Proportional to 5,415.86, 7,473.57 and 3,177.63

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Solution

The fourth proportional to 5,415.86, 7,473.57 and 3,177.63 is: 4,384.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.86 : 7,473.57 = 3,177.63 : x
  2. Step 2: Convert to fraction form
    5,415.86/7,473.57 = 3,177.63/x
  3. Step 3: Cross multiply
    5,415.86x = 7,473.57 × 3,177.63
  4. Step 4: Simplify right side
    5,415.86x = 23,748,228.32
  5. Step 5: Solve for x
    x = 23,748,228.32/5,415.86
  6. Step 6: Final answer
    x = 4,384.94

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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.