Home / 7,219.84-10,808.64-6,528.10

Finding the Fourth Proportional to 7,219.84, 10,808.64 and 6,528.10

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Solution

The fourth proportional to 7,219.84, 10,808.64 and 6,528.10 is: 9,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.84 : 10,808.64 = 6,528.10 : x
  2. Step 2: Convert to fraction form
    7,219.84/10,808.64 = 6,528.10/x
  3. Step 3: Cross multiply
    7,219.84x = 10,808.64 × 6,528.10
  4. Step 4: Simplify right side
    7,219.84x = 70,559,882.78
  5. Step 5: Solve for x
    x = 70,559,882.78/7,219.84
  6. Step 6: Final answer
    x = 9,773.05

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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.