Home / 7,513.81-10,368.35-4,156.55

Finding the Fourth Proportional to 7,513.81, 10,368.35 and 4,156.55

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Solution

The fourth proportional to 7,513.81, 10,368.35 and 4,156.55 is: 5,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.81 : 10,368.35 = 4,156.55 : x
  2. Step 2: Convert to fraction form
    7,513.81/10,368.35 = 4,156.55/x
  3. Step 3: Cross multiply
    7,513.81x = 10,368.35 × 4,156.55
  4. Step 4: Simplify right side
    7,513.81x = 43,096,565.19
  5. Step 5: Solve for x
    x = 43,096,565.19/7,513.81
  6. Step 6: Final answer
    x = 5,735.65

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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.