Home / 7,513.16-10,368.34-4,156.20

Finding the Fourth Proportional to 7,513.16, 10,368.34 and 4,156.20

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Solution

The fourth proportional to 7,513.16, 10,368.34 and 4,156.20 is: 5,735.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.16 : 10,368.34 = 4,156.20 : x
  2. Step 2: Convert to fraction form
    7,513.16/10,368.34 = 4,156.20/x
  3. Step 3: Cross multiply
    7,513.16x = 10,368.34 × 4,156.20
  4. Step 4: Simplify right side
    7,513.16x = 43,092,894.71
  5. Step 5: Solve for x
    x = 43,092,894.71/7,513.16
  6. Step 6: Final answer
    x = 5,735.66

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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.