Home / 7,486.04-10,329.94-4,128.64

Finding the Fourth Proportional to 7,486.04, 10,329.94 and 4,128.64

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Solution

The fourth proportional to 7,486.04, 10,329.94 and 4,128.64 is: 5,697.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.04 : 10,329.94 = 4,128.64 : x
  2. Step 2: Convert to fraction form
    7,486.04/10,329.94 = 4,128.64/x
  3. Step 3: Cross multiply
    7,486.04x = 10,329.94 × 4,128.64
  4. Step 4: Simplify right side
    7,486.04x = 42,648,603.48
  5. Step 5: Solve for x
    x = 42,648,603.48/7,486.04
  6. Step 6: Final answer
    x = 5,697.08

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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.