Home / 7,430.67-11,155.91-4,312.92

Finding the Fourth Proportional to 7,430.67, 11,155.91 and 4,312.92

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Solution

The fourth proportional to 7,430.67, 11,155.91 and 4,312.92 is: 6,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.67 : 11,155.91 = 4,312.92 : x
  2. Step 2: Convert to fraction form
    7,430.67/11,155.91 = 4,312.92/x
  3. Step 3: Cross multiply
    7,430.67x = 11,155.91 × 4,312.92
  4. Step 4: Simplify right side
    7,430.67x = 48,114,525.79
  5. Step 5: Solve for x
    x = 48,114,525.79/7,430.67
  6. Step 6: Final answer
    x = 6,475.13

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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.