Home / 7,621.04-10,516.86-4,434.90

Finding the Fourth Proportional to 7,621.04, 10,516.86 and 4,434.90

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Solution

The fourth proportional to 7,621.04, 10,516.86 and 4,434.90 is: 6,120.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.04 : 10,516.86 = 4,434.90 : x
  2. Step 2: Convert to fraction form
    7,621.04/10,516.86 = 4,434.90/x
  3. Step 3: Cross multiply
    7,621.04x = 10,516.86 × 4,434.90
  4. Step 4: Simplify right side
    7,621.04x = 46,641,222.41
  5. Step 5: Solve for x
    x = 46,641,222.41/7,621.04
  6. Step 6: Final answer
    x = 6,120.06

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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.