Home / 4,927.48-7,390.52-1,417.80

Finding the Fourth Proportional to 4,927.48, 7,390.52 and 1,417.80

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Solution

The fourth proportional to 4,927.48, 7,390.52 and 1,417.80 is: 2,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.48 : 7,390.52 = 1,417.80 : x
  2. Step 2: Convert to fraction form
    4,927.48/7,390.52 = 1,417.80/x
  3. Step 3: Cross multiply
    4,927.48x = 7,390.52 × 1,417.80
  4. Step 4: Simplify right side
    4,927.48x = 10,478,279.26
  5. Step 5: Solve for x
    x = 10,478,279.26/4,927.48
  6. Step 6: Final answer
    x = 2,126.50

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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.