Home / 4,649.06-6,421.38-3,475.34

Finding the Fourth Proportional to 4,649.06, 6,421.38 and 3,475.34

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Solution

The fourth proportional to 4,649.06, 6,421.38 and 3,475.34 is: 4,800.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,649.06 : 6,421.38 = 3,475.34 : x
  2. Step 2: Convert to fraction form
    4,649.06/6,421.38 = 3,475.34/x
  3. Step 3: Cross multiply
    4,649.06x = 6,421.38 × 3,475.34
  4. Step 4: Simplify right side
    4,649.06x = 22,316,478.77
  5. Step 5: Solve for x
    x = 22,316,478.77/4,649.06
  6. Step 6: Final answer
    x = 4,800.21

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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.