Home / 9,279.09-12,805.02-5,030.16

Finding the Fourth Proportional to 9,279.09, 12,805.02 and 5,030.16

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Solution

The fourth proportional to 9,279.09, 12,805.02 and 5,030.16 is: 6,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.09 : 12,805.02 = 5,030.16 : x
  2. Step 2: Convert to fraction form
    9,279.09/12,805.02 = 5,030.16/x
  3. Step 3: Cross multiply
    9,279.09x = 12,805.02 × 5,030.16
  4. Step 4: Simplify right side
    9,279.09x = 64,411,299.40
  5. Step 5: Solve for x
    x = 64,411,299.40/9,279.09
  6. Step 6: Final answer
    x = 6,941.55

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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.