Home / 8,430.26-11,634.08-4,653.59

Finding the Fourth Proportional to 8,430.26, 11,634.08 and 4,653.59

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Solution

The fourth proportional to 8,430.26, 11,634.08 and 4,653.59 is: 6,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.26 : 11,634.08 = 4,653.59 : x
  2. Step 2: Convert to fraction form
    8,430.26/11,634.08 = 4,653.59/x
  3. Step 3: Cross multiply
    8,430.26x = 11,634.08 × 4,653.59
  4. Step 4: Simplify right side
    8,430.26x = 54,140,156.91
  5. Step 5: Solve for x
    x = 54,140,156.91/8,430.26
  6. Step 6: Final answer
    x = 6,422.13

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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.