Home / 7,567.47-10,439.21-4,421.83

Finding the Fourth Proportional to 7,567.47, 10,439.21 and 4,421.83

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Solution

The fourth proportional to 7,567.47, 10,439.21 and 4,421.83 is: 6,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,567.47 : 10,439.21 = 4,421.83 : x
  2. Step 2: Convert to fraction form
    7,567.47/10,439.21 = 4,421.83/x
  3. Step 3: Cross multiply
    7,567.47x = 10,439.21 × 4,421.83
  4. Step 4: Simplify right side
    7,567.47x = 46,160,411.95
  5. Step 5: Solve for x
    x = 46,160,411.95/7,567.47
  6. Step 6: Final answer
    x = 6,099.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.