Home / 7,528.65-10,389.67-4,543.80

Finding the Fourth Proportional to 7,528.65, 10,389.67 and 4,543.80

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Solution

The fourth proportional to 7,528.65, 10,389.67 and 4,543.80 is: 6,270.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.65 : 10,389.67 = 4,543.80 : x
  2. Step 2: Convert to fraction form
    7,528.65/10,389.67 = 4,543.80/x
  3. Step 3: Cross multiply
    7,528.65x = 10,389.67 × 4,543.80
  4. Step 4: Simplify right side
    7,528.65x = 47,208,532.23
  5. Step 5: Solve for x
    x = 47,208,532.23/7,528.65
  6. Step 6: Final answer
    x = 6,270.52

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Similar ratio
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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.