Home / 7,214.10-10,813.06-4,720.08

Finding the Fourth Proportional to 7,214.10, 10,813.06 and 4,720.08

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Solution

The fourth proportional to 7,214.10, 10,813.06 and 4,720.08 is: 7,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.10 : 10,813.06 = 4,720.08 : x
  2. Step 2: Convert to fraction form
    7,214.10/10,813.06 = 4,720.08/x
  3. Step 3: Cross multiply
    7,214.10x = 10,813.06 × 4,720.08
  4. Step 4: Simplify right side
    7,214.10x = 51,038,508.24
  5. Step 5: Solve for x
    x = 51,038,508.24/7,214.10
  6. Step 6: Final answer
    x = 7,074.83

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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.