Home / 6,488.44-8,955.56-4,130.16

Finding the Fourth Proportional to 6,488.44, 8,955.56 and 4,130.16

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Solution

The fourth proportional to 6,488.44, 8,955.56 and 4,130.16 is: 5,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488.44 : 8,955.56 = 4,130.16 : x
  2. Step 2: Convert to fraction form
    6,488.44/8,955.56 = 4,130.16/x
  3. Step 3: Cross multiply
    6,488.44x = 8,955.56 × 4,130.16
  4. Step 4: Simplify right side
    6,488.44x = 36,987,895.69
  5. Step 5: Solve for x
    x = 36,987,895.69/6,488.44
  6. Step 6: Final answer
    x = 5,700.58

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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.