Home / 9,089.24-12,543.08-5,312.30

Finding the Fourth Proportional to 9,089.24, 12,543.08 and 5,312.30

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Solution

The fourth proportional to 9,089.24, 12,543.08 and 5,312.30 is: 7,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.24 : 12,543.08 = 5,312.30 : x
  2. Step 2: Convert to fraction form
    9,089.24/12,543.08 = 5,312.30/x
  3. Step 3: Cross multiply
    9,089.24x = 12,543.08 × 5,312.30
  4. Step 4: Simplify right side
    9,089.24x = 66,632,603.88
  5. Step 5: Solve for x
    x = 66,632,603.88/9,089.24
  6. Step 6: Final answer
    x = 7,330.93

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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.