Home / 5,013.04-7,519.76-1,728.40

Finding the Fourth Proportional to 5,013.04, 7,519.76 and 1,728.40

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Solution

The fourth proportional to 5,013.04, 7,519.76 and 1,728.40 is: 2,592.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.04 : 7,519.76 = 1,728.40 : x
  2. Step 2: Convert to fraction form
    5,013.04/7,519.76 = 1,728.40/x
  3. Step 3: Cross multiply
    5,013.04x = 7,519.76 × 1,728.40
  4. Step 4: Simplify right side
    5,013.04x = 12,997,153.18
  5. Step 5: Solve for x
    x = 12,997,153.18/5,013.04
  6. Step 6: Final answer
    x = 2,592.67

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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.