Home / 7,109.61-10,648.26-4,330.16

Finding the Fourth Proportional to 7,109.61, 10,648.26 and 4,330.16

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Solution

The fourth proportional to 7,109.61, 10,648.26 and 4,330.16 is: 6,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.61 : 10,648.26 = 4,330.16 : x
  2. Step 2: Convert to fraction form
    7,109.61/10,648.26 = 4,330.16/x
  3. Step 3: Cross multiply
    7,109.61x = 10,648.26 × 4,330.16
  4. Step 4: Simplify right side
    7,109.61x = 46,108,656.21
  5. Step 5: Solve for x
    x = 46,108,656.21/7,109.61
  6. Step 6: Final answer
    x = 6,485.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.