Home / 7,530.10-11,281.78-6,423.23

Finding the Fourth Proportional to 7,530.10, 11,281.78 and 6,423.23

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Solution

The fourth proportional to 7,530.10, 11,281.78 and 6,423.23 is: 9,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.10 : 11,281.78 = 6,423.23 : x
  2. Step 2: Convert to fraction form
    7,530.10/11,281.78 = 6,423.23/x
  3. Step 3: Cross multiply
    7,530.10x = 11,281.78 × 6,423.23
  4. Step 4: Simplify right side
    7,530.10x = 72,465,503.98
  5. Step 5: Solve for x
    x = 72,465,503.98/7,530.10
  6. Step 6: Final answer
    x = 9,623.45

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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.