Home / 5,495.02-7,578.72-4,830.46

Finding the Fourth Proportional to 5,495.02, 7,578.72 and 4,830.46

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Solution

The fourth proportional to 5,495.02, 7,578.72 and 4,830.46 is: 6,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.02 : 7,578.72 = 4,830.46 : x
  2. Step 2: Convert to fraction form
    5,495.02/7,578.72 = 4,830.46/x
  3. Step 3: Cross multiply
    5,495.02x = 7,578.72 × 4,830.46
  4. Step 4: Simplify right side
    5,495.02x = 36,608,703.81
  5. Step 5: Solve for x
    x = 36,608,703.81/5,495.02
  6. Step 6: Final answer
    x = 6,662.16

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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.