Home / 7,565.49-10,440.13-4,208.21

Finding the Fourth Proportional to 7,565.49, 10,440.13 and 4,208.21

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Solution

The fourth proportional to 7,565.49, 10,440.13 and 4,208.21 is: 5,807.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.49 : 10,440.13 = 4,208.21 : x
  2. Step 2: Convert to fraction form
    7,565.49/10,440.13 = 4,208.21/x
  3. Step 3: Cross multiply
    7,565.49x = 10,440.13 × 4,208.21
  4. Step 4: Simplify right side
    7,565.49x = 43,934,238.43
  5. Step 5: Solve for x
    x = 43,934,238.43/7,565.49
  6. Step 6: Final answer
    x = 5,807.19

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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.