Home / 7,030.20-10,545.30-5,359.80

Finding the Fourth Proportional to 7,030.20, 10,545.30 and 5,359.80

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Solution

The fourth proportional to 7,030.20, 10,545.30 and 5,359.80 is: 8,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.20 : 10,545.30 = 5,359.80 : x
  2. Step 2: Convert to fraction form
    7,030.20/10,545.30 = 5,359.80/x
  3. Step 3: Cross multiply
    7,030.20x = 10,545.30 × 5,359.80
  4. Step 4: Simplify right side
    7,030.20x = 56,520,698.94
  5. Step 5: Solve for x
    x = 56,520,698.94/7,030.20
  6. Step 6: Final answer
    x = 8,039.70

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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.