Home / 7,417.80-11,128.52-2,223.67

Finding the Fourth Proportional to 7,417.80, 11,128.52 and 2,223.67

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Solution

The fourth proportional to 7,417.80, 11,128.52 and 2,223.67 is: 3,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.80 : 11,128.52 = 2,223.67 : x
  2. Step 2: Convert to fraction form
    7,417.80/11,128.52 = 2,223.67/x
  3. Step 3: Cross multiply
    7,417.80x = 11,128.52 × 2,223.67
  4. Step 4: Simplify right side
    7,417.80x = 24,746,156.07
  5. Step 5: Solve for x
    x = 24,746,156.07/7,417.80
  6. Step 6: Final answer
    x = 3,336.05

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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.