Home / 8,438.10-12,646.89-5,973.63

Finding the Fourth Proportional to 8,438.10, 12,646.89 and 5,973.63

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Solution

The fourth proportional to 8,438.10, 12,646.89 and 5,973.63 is: 8,953.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.10 : 12,646.89 = 5,973.63 : x
  2. Step 2: Convert to fraction form
    8,438.10/12,646.89 = 5,973.63/x
  3. Step 3: Cross multiply
    8,438.10x = 12,646.89 × 5,973.63
  4. Step 4: Simplify right side
    8,438.10x = 75,547,841.51
  5. Step 5: Solve for x
    x = 75,547,841.51/8,438.10
  6. Step 6: Final answer
    x = 8,953.18

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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.