Home / 4,653.70-6,420.29-2,663.19

Finding the Fourth Proportional to 4,653.70, 6,420.29 and 2,663.19

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Solution

The fourth proportional to 4,653.70, 6,420.29 and 2,663.19 is: 3,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.70 : 6,420.29 = 2,663.19 : x
  2. Step 2: Convert to fraction form
    4,653.70/6,420.29 = 2,663.19/x
  3. Step 3: Cross multiply
    4,653.70x = 6,420.29 × 2,663.19
  4. Step 4: Simplify right side
    4,653.70x = 17,098,438.81
  5. Step 5: Solve for x
    x = 17,098,438.81/4,653.70
  6. Step 6: Final answer
    x = 3,674.16

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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.