Home / 5,045.86-6,962.96-2,807.64

Finding the Fourth Proportional to 5,045.86, 6,962.96 and 2,807.64

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Solution

The fourth proportional to 5,045.86, 6,962.96 and 2,807.64 is: 3,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.86 : 6,962.96 = 2,807.64 : x
  2. Step 2: Convert to fraction form
    5,045.86/6,962.96 = 2,807.64/x
  3. Step 3: Cross multiply
    5,045.86x = 6,962.96 × 2,807.64
  4. Step 4: Simplify right side
    5,045.86x = 19,549,485.01
  5. Step 5: Solve for x
    x = 19,549,485.01/5,045.86
  6. Step 6: Final answer
    x = 3,874.36

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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.