Home / 6,931.89-10,397.84-1,737.78

Finding the Fourth Proportional to 6,931.89, 10,397.84 and 1,737.78

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Solution

The fourth proportional to 6,931.89, 10,397.84 and 1,737.78 is: 2,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.89 : 10,397.84 = 1,737.78 : x
  2. Step 2: Convert to fraction form
    6,931.89/10,397.84 = 1,737.78/x
  3. Step 3: Cross multiply
    6,931.89x = 10,397.84 × 1,737.78
  4. Step 4: Simplify right side
    6,931.89x = 18,069,158.40
  5. Step 5: Solve for x
    x = 18,069,158.40/6,931.89
  6. Step 6: Final answer
    x = 2,606.67

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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.