Home / 7,210.45-10,813.65-2,281.60

Finding the Fourth Proportional to 7,210.45, 10,813.65 and 2,281.60

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Solution

The fourth proportional to 7,210.45, 10,813.65 and 2,281.60 is: 3,421.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.45 : 10,813.65 = 2,281.60 : x
  2. Step 2: Convert to fraction form
    7,210.45/10,813.65 = 2,281.60/x
  3. Step 3: Cross multiply
    7,210.45x = 10,813.65 × 2,281.60
  4. Step 4: Simplify right side
    7,210.45x = 24,672,423.84
  5. Step 5: Solve for x
    x = 24,672,423.84/7,210.45
  6. Step 6: Final answer
    x = 3,421.76

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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.