Home / 8,089.08-11,157.84-5,102.40

Finding the Fourth Proportional to 8,089.08, 11,157.84 and 5,102.40

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Solution

The fourth proportional to 8,089.08, 11,157.84 and 5,102.40 is: 7,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.08 : 11,157.84 = 5,102.40 : x
  2. Step 2: Convert to fraction form
    8,089.08/11,157.84 = 5,102.40/x
  3. Step 3: Cross multiply
    8,089.08x = 11,157.84 × 5,102.40
  4. Step 4: Simplify right side
    8,089.08x = 56,931,762.82
  5. Step 5: Solve for x
    x = 56,931,762.82/8,089.08
  6. Step 6: Final answer
    x = 7,038.10

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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.