Home / 7,210.10-10,808.67-2,830.70

Finding the Fourth Proportional to 7,210.10, 10,808.67 and 2,830.70

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Solution

The fourth proportional to 7,210.10, 10,808.67 and 2,830.70 is: 4,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.10 : 10,808.67 = 2,830.70 : x
  2. Step 2: Convert to fraction form
    7,210.10/10,808.67 = 2,830.70/x
  3. Step 3: Cross multiply
    7,210.10x = 10,808.67 × 2,830.70
  4. Step 4: Simplify right side
    7,210.10x = 30,596,139.81
  5. Step 5: Solve for x
    x = 30,596,139.81/7,210.10
  6. Step 6: Final answer
    x = 4,243.51

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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.