Home / 7,434.79-10,259.26-4,780.22

Finding the Fourth Proportional to 7,434.79, 10,259.26 and 4,780.22

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Solution

The fourth proportional to 7,434.79, 10,259.26 and 4,780.22 is: 6,596.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.79 : 10,259.26 = 4,780.22 : x
  2. Step 2: Convert to fraction form
    7,434.79/10,259.26 = 4,780.22/x
  3. Step 3: Cross multiply
    7,434.79x = 10,259.26 × 4,780.22
  4. Step 4: Simplify right side
    7,434.79x = 49,041,456.59
  5. Step 5: Solve for x
    x = 49,041,456.59/7,434.79
  6. Step 6: Final answer
    x = 6,596.21

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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.