Home / 8,973.08-12,341.64-7,200.80

Finding the Fourth Proportional to 8,973.08, 12,341.64 and 7,200.80

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Solution

The fourth proportional to 8,973.08, 12,341.64 and 7,200.80 is: 9,904.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.08 : 12,341.64 = 7,200.80 : x
  2. Step 2: Convert to fraction form
    8,973.08/12,341.64 = 7,200.80/x
  3. Step 3: Cross multiply
    8,973.08x = 12,341.64 × 7,200.80
  4. Step 4: Simplify right side
    8,973.08x = 88,869,681.31
  5. Step 5: Solve for x
    x = 88,869,681.31/8,973.08
  6. Step 6: Final answer
    x = 9,904.03

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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.