Home / 7,110.08-9,810.72-4,126.40

Finding the Fourth Proportional to 7,110.08, 9,810.72 and 4,126.40

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Solution

The fourth proportional to 7,110.08, 9,810.72 and 4,126.40 is: 5,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.08 : 9,810.72 = 4,126.40 : x
  2. Step 2: Convert to fraction form
    7,110.08/9,810.72 = 4,126.40/x
  3. Step 3: Cross multiply
    7,110.08x = 9,810.72 × 4,126.40
  4. Step 4: Simplify right side
    7,110.08x = 40,482,955.01
  5. Step 5: Solve for x
    x = 40,482,955.01/7,110.08
  6. Step 6: Final answer
    x = 5,693.74

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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.