Home / 7,123.34-10,681.65-4,162.64

Finding the Fourth Proportional to 7,123.34, 10,681.65 and 4,162.64

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Solution

The fourth proportional to 7,123.34, 10,681.65 and 4,162.64 is: 6,241.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123.34 : 10,681.65 = 4,162.64 : x
  2. Step 2: Convert to fraction form
    7,123.34/10,681.65 = 4,162.64/x
  3. Step 3: Cross multiply
    7,123.34x = 10,681.65 × 4,162.64
  4. Step 4: Simplify right side
    7,123.34x = 44,463,810.15
  5. Step 5: Solve for x
    x = 44,463,810.15/7,123.34
  6. Step 6: Final answer
    x = 6,241.99

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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.