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Finding the Fourth Proportional to 4,380.99, 6,567.99 and 1,913.93

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Solution

The fourth proportional to 4,380.99, 6,567.99 and 1,913.93 is: 2,869.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.99 : 6,567.99 = 1,913.93 : x
  2. Step 2: Convert to fraction form
    4,380.99/6,567.99 = 1,913.93/x
  3. Step 3: Cross multiply
    4,380.99x = 6,567.99 × 1,913.93
  4. Step 4: Simplify right side
    4,380.99x = 12,570,657.71
  5. Step 5: Solve for x
    x = 12,570,657.71/4,380.99
  6. Step 6: Final answer
    x = 2,869.37

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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.