Home / 9,123.03-12,589.74-4,931.28

Finding the Fourth Proportional to 9,123.03, 12,589.74 and 4,931.28

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Solution

The fourth proportional to 9,123.03, 12,589.74 and 4,931.28 is: 6,805.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123.03 : 12,589.74 = 4,931.28 : x
  2. Step 2: Convert to fraction form
    9,123.03/12,589.74 = 4,931.28/x
  3. Step 3: Cross multiply
    9,123.03x = 12,589.74 × 4,931.28
  4. Step 4: Simplify right side
    9,123.03x = 62,083,533.07
  5. Step 5: Solve for x
    x = 62,083,533.07/9,123.03
  6. Step 6: Final answer
    x = 6,805.14

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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.