Home / 4,653.08-6,421.20-2,663.60

Finding the Fourth Proportional to 4,653.08, 6,421.20 and 2,663.60

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Solution

The fourth proportional to 4,653.08, 6,421.20 and 2,663.60 is: 3,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.08 : 6,421.20 = 2,663.60 : x
  2. Step 2: Convert to fraction form
    4,653.08/6,421.20 = 2,663.60/x
  3. Step 3: Cross multiply
    4,653.08x = 6,421.20 × 2,663.60
  4. Step 4: Simplify right side
    4,653.08x = 17,103,508.32
  5. Step 5: Solve for x
    x = 17,103,508.32/4,653.08
  6. Step 6: Final answer
    x = 3,675.74

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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.