Home / 8,946.32-12,345.48-4,913.04

Finding the Fourth Proportional to 8,946.32, 12,345.48 and 4,913.04

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Solution

The fourth proportional to 8,946.32, 12,345.48 and 4,913.04 is: 6,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.32 : 12,345.48 = 4,913.04 : x
  2. Step 2: Convert to fraction form
    8,946.32/12,345.48 = 4,913.04/x
  3. Step 3: Cross multiply
    8,946.32x = 12,345.48 × 4,913.04
  4. Step 4: Simplify right side
    8,946.32x = 60,653,837.06
  5. Step 5: Solve for x
    x = 60,653,837.06/8,946.32
  6. Step 6: Final answer
    x = 6,779.76

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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.