Home / 4,313.59-6,457.49-2,642.45

Finding the Fourth Proportional to 4,313.59, 6,457.49 and 2,642.45

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Solution

The fourth proportional to 4,313.59, 6,457.49 and 2,642.45 is: 3,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313.59 : 6,457.49 = 2,642.45 : x
  2. Step 2: Convert to fraction form
    4,313.59/6,457.49 = 2,642.45/x
  3. Step 3: Cross multiply
    4,313.59x = 6,457.49 × 2,642.45
  4. Step 4: Simplify right side
    4,313.59x = 17,063,594.45
  5. Step 5: Solve for x
    x = 17,063,594.45/4,313.59
  6. Step 6: Final answer
    x = 3,955.78

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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.