Home / 4,316.34-6,442.47-3,720.81

Finding the Fourth Proportional to 4,316.34, 6,442.47 and 3,720.81

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Solution

The fourth proportional to 4,316.34, 6,442.47 and 3,720.81 is: 5,553.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.34 : 6,442.47 = 3,720.81 : x
  2. Step 2: Convert to fraction form
    4,316.34/6,442.47 = 3,720.81/x
  3. Step 3: Cross multiply
    4,316.34x = 6,442.47 × 3,720.81
  4. Step 4: Simplify right side
    4,316.34x = 23,971,174.59
  5. Step 5: Solve for x
    x = 23,971,174.59/4,316.34
  6. Step 6: Final answer
    x = 5,553.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.