Home / 6,962.86-10,437-5,111.20

Finding the Fourth Proportional to 6,962.86, 10,437 and 5,111.20

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Solution

The fourth proportional to 6,962.86, 10,437 and 5,111.20 is: 7,661.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,962.86 : 10,437 = 5,111.20 : x
  2. Step 2: Convert to fraction form
    6,962.86/10,437 = 5,111.20/x
  3. Step 3: Cross multiply
    6,962.86x = 10,437 × 5,111.20
  4. Step 4: Simplify right side
    6,962.86x = 53,345,594.40
  5. Step 5: Solve for x
    x = 53,345,594.40/6,962.86
  6. Step 6: Final answer
    x = 7,661.45

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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.