Home / 4,313.36-6,470.74-1,539.29

Finding the Fourth Proportional to 4,313.36, 6,470.74 and 1,539.29

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Solution

The fourth proportional to 4,313.36, 6,470.74 and 1,539.29 is: 2,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313.36 : 6,470.74 = 1,539.29 : x
  2. Step 2: Convert to fraction form
    4,313.36/6,470.74 = 1,539.29/x
  3. Step 3: Cross multiply
    4,313.36x = 6,470.74 × 1,539.29
  4. Step 4: Simplify right side
    4,313.36x = 9,960,309.17
  5. Step 5: Solve for x
    x = 9,960,309.17/4,313.36
  6. Step 6: Final answer
    x = 2,309.18

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1.5x scale

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.