Home / 7,861.53-10,848.91-4,717.72

Finding the Fourth Proportional to 7,861.53, 10,848.91 and 4,717.72

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Solution

The fourth proportional to 7,861.53, 10,848.91 and 4,717.72 is: 6,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.53 : 10,848.91 = 4,717.72 : x
  2. Step 2: Convert to fraction form
    7,861.53/10,848.91 = 4,717.72/x
  3. Step 3: Cross multiply
    7,861.53x = 10,848.91 × 4,717.72
  4. Step 4: Simplify right side
    7,861.53x = 51,182,119.69
  5. Step 5: Solve for x
    x = 51,182,119.69/7,861.53
  6. Step 6: Final answer
    x = 6,510.45

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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.