Home / 4,204.28-6,307.18-1,430.81

Finding the Fourth Proportional to 4,204.28, 6,307.18 and 1,430.81

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Solution

The fourth proportional to 4,204.28, 6,307.18 and 1,430.81 is: 2,146.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,204.28 : 6,307.18 = 1,430.81 : x
  2. Step 2: Convert to fraction form
    4,204.28/6,307.18 = 1,430.81/x
  3. Step 3: Cross multiply
    4,204.28x = 6,307.18 × 1,430.81
  4. Step 4: Simplify right side
    4,204.28x = 9,024,341.10
  5. Step 5: Solve for x
    x = 9,024,341.10/4,204.28
  6. Step 6: Final answer
    x = 2,146.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.