Home / 7,478.40-11,206.08-3,095.04

Finding the Fourth Proportional to 7,478.40, 11,206.08 and 3,095.04

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Solution

The fourth proportional to 7,478.40, 11,206.08 and 3,095.04 is: 4,637.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.40 : 11,206.08 = 3,095.04 : x
  2. Step 2: Convert to fraction form
    7,478.40/11,206.08 = 3,095.04/x
  3. Step 3: Cross multiply
    7,478.40x = 11,206.08 × 3,095.04
  4. Step 4: Simplify right side
    7,478.40x = 34,683,265.84
  5. Step 5: Solve for x
    x = 34,683,265.84/7,478.40
  6. Step 6: Final answer
    x = 4,637.79

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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.