Home / 7,654.20-10,558.34-4,820.46

Finding the Fourth Proportional to 7,654.20, 10,558.34 and 4,820.46

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Solution

The fourth proportional to 7,654.20, 10,558.34 and 4,820.46 is: 6,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.20 : 10,558.34 = 4,820.46 : x
  2. Step 2: Convert to fraction form
    7,654.20/10,558.34 = 4,820.46/x
  3. Step 3: Cross multiply
    7,654.20x = 10,558.34 × 4,820.46
  4. Step 4: Simplify right side
    7,654.20x = 50,896,055.64
  5. Step 5: Solve for x
    x = 50,896,055.64/7,654.20
  6. Step 6: Final answer
    x = 6,649.43

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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.