Home / 4,642.96-6,407.52-2,875.60

Finding the Fourth Proportional to 4,642.96, 6,407.52 and 2,875.60

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Solution

The fourth proportional to 4,642.96, 6,407.52 and 2,875.60 is: 3,968.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.96 : 6,407.52 = 2,875.60 : x
  2. Step 2: Convert to fraction form
    4,642.96/6,407.52 = 2,875.60/x
  3. Step 3: Cross multiply
    4,642.96x = 6,407.52 × 2,875.60
  4. Step 4: Simplify right side
    4,642.96x = 18,425,464.51
  5. Step 5: Solve for x
    x = 18,425,464.51/4,642.96
  6. Step 6: Final answer
    x = 3,968.47

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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.