Home / 7,438.06-10,264.08-4,080.28

Finding the Fourth Proportional to 7,438.06, 10,264.08 and 4,080.28

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Solution

The fourth proportional to 7,438.06, 10,264.08 and 4,080.28 is: 5,630.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.06 : 10,264.08 = 4,080.28 : x
  2. Step 2: Convert to fraction form
    7,438.06/10,264.08 = 4,080.28/x
  3. Step 3: Cross multiply
    7,438.06x = 10,264.08 × 4,080.28
  4. Step 4: Simplify right side
    7,438.06x = 41,880,320.34
  5. Step 5: Solve for x
    x = 41,880,320.34/7,438.06
  6. Step 6: Final answer
    x = 5,630.54

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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.