Home / 5,210.52-7,812.36-2,088.24

Finding the Fourth Proportional to 5,210.52, 7,812.36 and 2,088.24

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Solution

The fourth proportional to 5,210.52, 7,812.36 and 2,088.24 is: 3,130.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.52 : 7,812.36 = 2,088.24 : x
  2. Step 2: Convert to fraction form
    5,210.52/7,812.36 = 2,088.24/x
  3. Step 3: Cross multiply
    5,210.52x = 7,812.36 × 2,088.24
  4. Step 4: Simplify right side
    5,210.52x = 16,314,082.65
  5. Step 5: Solve for x
    x = 16,314,082.65/5,210.52
  6. Step 6: Final answer
    x = 3,130.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.