Home / 5,400.87-8,045.49-5,237.67

Finding the Fourth Proportional to 5,400.87, 8,045.49 and 5,237.67

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Solution

The fourth proportional to 5,400.87, 8,045.49 and 5,237.67 is: 7,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.87 : 8,045.49 = 5,237.67 : x
  2. Step 2: Convert to fraction form
    5,400.87/8,045.49 = 5,237.67/x
  3. Step 3: Cross multiply
    5,400.87x = 8,045.49 × 5,237.67
  4. Step 4: Simplify right side
    5,400.87x = 42,139,621.61
  5. Step 5: Solve for x
    x = 42,139,621.61/5,400.87
  6. Step 6: Final answer
    x = 7,802.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.