Home / 5,290.93-7,298.53-4,915.50

Finding the Fourth Proportional to 5,290.93, 7,298.53 and 4,915.50

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Solution

The fourth proportional to 5,290.93, 7,298.53 and 4,915.50 is: 6,780.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.93 : 7,298.53 = 4,915.50 : x
  2. Step 2: Convert to fraction form
    5,290.93/7,298.53 = 4,915.50/x
  3. Step 3: Cross multiply
    5,290.93x = 7,298.53 × 4,915.50
  4. Step 4: Simplify right side
    5,290.93x = 35,875,924.22
  5. Step 5: Solve for x
    x = 35,875,924.22/5,290.93
  6. Step 6: Final answer
    x = 6,780.65

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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.