Home / 5,430.74-7,493.26-4,087.76

Finding the Fourth Proportional to 5,430.74, 7,493.26 and 4,087.76

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Solution

The fourth proportional to 5,430.74, 7,493.26 and 4,087.76 is: 5,640.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.74 : 7,493.26 = 4,087.76 : x
  2. Step 2: Convert to fraction form
    5,430.74/7,493.26 = 4,087.76/x
  3. Step 3: Cross multiply
    5,430.74x = 7,493.26 × 4,087.76
  4. Step 4: Simplify right side
    5,430.74x = 30,630,667.23
  5. Step 5: Solve for x
    x = 30,630,667.23/5,430.74
  6. Step 6: Final answer
    x = 5,640.24

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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.