Home / 7,854.08-10,838.49-4,317.21

Finding the Fourth Proportional to 7,854.08, 10,838.49 and 4,317.21

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Solution

The fourth proportional to 7,854.08, 10,838.49 and 4,317.21 is: 5,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.08 : 10,838.49 = 4,317.21 : x
  2. Step 2: Convert to fraction form
    7,854.08/10,838.49 = 4,317.21/x
  3. Step 3: Cross multiply
    7,854.08x = 10,838.49 × 4,317.21
  4. Step 4: Simplify right side
    7,854.08x = 46,792,037.41
  5. Step 5: Solve for x
    x = 46,792,037.41/7,854.08
  6. Step 6: Final answer
    x = 5,957.67

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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.