Home / 5,210.02-7,189.82-2,852.16

Finding the Fourth Proportional to 5,210.02, 7,189.82 and 2,852.16

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Solution

The fourth proportional to 5,210.02, 7,189.82 and 2,852.16 is: 3,935.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.02 : 7,189.82 = 2,852.16 : x
  2. Step 2: Convert to fraction form
    5,210.02/7,189.82 = 2,852.16/x
  3. Step 3: Cross multiply
    5,210.02x = 7,189.82 × 2,852.16
  4. Step 4: Simplify right side
    5,210.02x = 20,506,517.01
  5. Step 5: Solve for x
    x = 20,506,517.01/5,210.02
  6. Step 6: Final answer
    x = 3,935.98

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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.