Home / 7,270.70-10,032.32-4,285.44

Finding the Fourth Proportional to 7,270.70, 10,032.32 and 4,285.44

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Solution

The fourth proportional to 7,270.70, 10,032.32 and 4,285.44 is: 5,913.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.70 : 10,032.32 = 4,285.44 : x
  2. Step 2: Convert to fraction form
    7,270.70/10,032.32 = 4,285.44/x
  3. Step 3: Cross multiply
    7,270.70x = 10,032.32 × 4,285.44
  4. Step 4: Simplify right side
    7,270.70x = 42,992,916.13
  5. Step 5: Solve for x
    x = 42,992,916.13/7,270.70
  6. Step 6: Final answer
    x = 5,913.18

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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.