Home / 7,455.66-10,290.60-4,621.32

Finding the Fourth Proportional to 7,455.66, 10,290.60 and 4,621.32

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Solution

The fourth proportional to 7,455.66, 10,290.60 and 4,621.32 is: 6,378.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.66 : 10,290.60 = 4,621.32 : x
  2. Step 2: Convert to fraction form
    7,455.66/10,290.60 = 4,621.32/x
  3. Step 3: Cross multiply
    7,455.66x = 10,290.60 × 4,621.32
  4. Step 4: Simplify right side
    7,455.66x = 47,556,155.59
  5. Step 5: Solve for x
    x = 47,556,155.59/7,455.66
  6. Step 6: Final answer
    x = 6,378.53

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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.