Home / 7,429.91-10,254.80-4,285.67

Finding the Fourth Proportional to 7,429.91, 10,254.80 and 4,285.67

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Solution

The fourth proportional to 7,429.91, 10,254.80 and 4,285.67 is: 5,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.91 : 10,254.80 = 4,285.67 : x
  2. Step 2: Convert to fraction form
    7,429.91/10,254.80 = 4,285.67/x
  3. Step 3: Cross multiply
    7,429.91x = 10,254.80 × 4,285.67
  4. Step 4: Simplify right side
    7,429.91x = 43,948,688.72
  5. Step 5: Solve for x
    x = 43,948,688.72/7,429.91
  6. Step 6: Final answer
    x = 5,915.10

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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.