Home / 7,007.72-10,511.60-6,580.04

Finding the Fourth Proportional to 7,007.72, 10,511.60 and 6,580.04

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Solution

The fourth proportional to 7,007.72, 10,511.60 and 6,580.04 is: 9,870.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.72 : 10,511.60 = 6,580.04 : x
  2. Step 2: Convert to fraction form
    7,007.72/10,511.60 = 6,580.04/x
  3. Step 3: Cross multiply
    7,007.72x = 10,511.60 × 6,580.04
  4. Step 4: Simplify right side
    7,007.72x = 69,166,748.46
  5. Step 5: Solve for x
    x = 69,166,748.46/7,007.72
  6. Step 6: Final answer
    x = 9,870.08

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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.