Home / 5,617.16-7,750.70-3,602.34

Finding the Fourth Proportional to 5,617.16, 7,750.70 and 3,602.34

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Solution

The fourth proportional to 5,617.16, 7,750.70 and 3,602.34 is: 4,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.16 : 7,750.70 = 3,602.34 : x
  2. Step 2: Convert to fraction form
    5,617.16/7,750.70 = 3,602.34/x
  3. Step 3: Cross multiply
    5,617.16x = 7,750.70 × 3,602.34
  4. Step 4: Simplify right side
    5,617.16x = 27,920,626.89
  5. Step 5: Solve for x
    x = 27,920,626.89/5,617.16
  6. Step 6: Final answer
    x = 4,970.60

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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.