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Finding the Fourth Proportional to 5,931.79, 8,897.59 and 1,771.81

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Solution

The fourth proportional to 5,931.79, 8,897.59 and 1,771.81 is: 2,657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.79 : 8,897.59 = 1,771.81 : x
  2. Step 2: Convert to fraction form
    5,931.79/8,897.59 = 1,771.81/x
  3. Step 3: Cross multiply
    5,931.79x = 8,897.59 × 1,771.81
  4. Step 4: Simplify right side
    5,931.79x = 15,764,838.94
  5. Step 5: Solve for x
    x = 15,764,838.94/5,931.79
  6. Step 6: Final answer
    x = 2,657.69

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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.