Home / 7,208.40-9,946.08-4,377.26

Finding the Fourth Proportional to 7,208.40, 9,946.08 and 4,377.26

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Solution

The fourth proportional to 7,208.40, 9,946.08 and 4,377.26 is: 6,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.40 : 9,946.08 = 4,377.26 : x
  2. Step 2: Convert to fraction form
    7,208.40/9,946.08 = 4,377.26/x
  3. Step 3: Cross multiply
    7,208.40x = 9,946.08 × 4,377.26
  4. Step 4: Simplify right side
    7,208.40x = 43,536,578.14
  5. Step 5: Solve for x
    x = 43,536,578.14/7,208.40
  6. Step 6: Final answer
    x = 6,039.70

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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.