Home / 7,024.60-10,520.70-4,821.40

Finding the Fourth Proportional to 7,024.60, 10,520.70 and 4,821.40

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Solution

The fourth proportional to 7,024.60, 10,520.70 and 4,821.40 is: 7,220.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,024.60 : 10,520.70 = 4,821.40 : x
  2. Step 2: Convert to fraction form
    7,024.60/10,520.70 = 4,821.40/x
  3. Step 3: Cross multiply
    7,024.60x = 10,520.70 × 4,821.40
  4. Step 4: Simplify right side
    7,024.60x = 50,724,502.98
  5. Step 5: Solve for x
    x = 50,724,502.98/7,024.60
  6. Step 6: Final answer
    x = 7,220.98

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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.