Home / 5,210.07-7,189.86-2,852.16

Finding the Fourth Proportional to 5,210.07, 7,189.86 and 2,852.16

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Solution

The fourth proportional to 5,210.07, 7,189.86 and 2,852.16 is: 3,935.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.07 : 7,189.86 = 2,852.16 : x
  2. Step 2: Convert to fraction form
    5,210.07/7,189.86 = 2,852.16/x
  3. Step 3: Cross multiply
    5,210.07x = 7,189.86 × 2,852.16
  4. Step 4: Simplify right side
    5,210.07x = 20,506,631.10
  5. Step 5: Solve for x
    x = 20,506,631.10/5,210.07
  6. Step 6: Final answer
    x = 3,935.96

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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.