Home / 5,430.18-7,493.94-3,440.01

Finding the Fourth Proportional to 5,430.18, 7,493.94 and 3,440.01

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Solution

The fourth proportional to 5,430.18, 7,493.94 and 3,440.01 is: 4,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.18 : 7,493.94 = 3,440.01 : x
  2. Step 2: Convert to fraction form
    5,430.18/7,493.94 = 3,440.01/x
  3. Step 3: Cross multiply
    5,430.18x = 7,493.94 × 3,440.01
  4. Step 4: Simplify right side
    5,430.18x = 25,779,228.54
  5. Step 5: Solve for x
    x = 25,779,228.54/5,430.18
  6. Step 6: Final answer
    x = 4,747.40

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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.