Home / 7,688.85-10,609.19-4,501.98

Finding the Fourth Proportional to 7,688.85, 10,609.19 and 4,501.98

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Solution

The fourth proportional to 7,688.85, 10,609.19 and 4,501.98 is: 6,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.85 : 10,609.19 = 4,501.98 : x
  2. Step 2: Convert to fraction form
    7,688.85/10,609.19 = 4,501.98/x
  3. Step 3: Cross multiply
    7,688.85x = 10,609.19 × 4,501.98
  4. Step 4: Simplify right side
    7,688.85x = 47,762,361.90
  5. Step 5: Solve for x
    x = 47,762,361.90/7,688.85
  6. Step 6: Final answer
    x = 6,211.90

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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.